Home / 974,718.28-1,462,077.42-642,216.52

Finding the Fourth Proportional to 974,718.28, 1,462,077.42 and 642,216.52

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Solution

The fourth proportional to 974,718.28, 1,462,077.42 and 642,216.52 is: 963,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,718.28 : 1,462,077.42 = 642,216.52 : x
  2. Step 2: Convert to fraction form
    974,718.28/1,462,077.42 = 642,216.52/x
  3. Step 3: Cross multiply
    974,718.28x = 1,462,077.42 × 642,216.52
  4. Step 4: Simplify right side
    974,718.28x = 938,970,272,642.98
  5. Step 5: Solve for x
    x = 938,970,272,642.98/974,718.28
  6. Step 6: Final answer
    x = 963,324.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.